<template>
  <view class="cart-container"  v-if="cart.length !== 0">
    <my-address></my-address>
    <!-- 购物车商品列表的标题区域 -->
    <view class="cart-title">
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 描述文本 -->
      <text class="cart-title-text">购物车</text>
    </view>
    
    <uni-swipe-action>
      <block v-for="(goods,index) in cart" :key="index">
      <uni-swipe-action-item :right-options="options" @click="delGoodsItem(goods)">
        <my-goods :showNum="true" @num-change="numberChangeHandler" @radio-change="radioChangeHandle" :showRadio='true' :goods="goods"></my-goods>
      </uni-swipe-action-item>
      </block>
    </uni-swipe-action> 
    <my-settle></my-settle>
  </view>

  <!-- 空白购物车区域 -->
  <view class="empty-cart" v-else>
    <image src="/static/null.jpg" class="empty-img"></image>
    <text class="tip-text">空空如也~</text>
  </view>
</template>

<script>
 import badgeMix from '@/mixins/tabbar-badge.js'
 import {mapState, mapMutations} from 'vuex'
  export default {
    mixins:[badgeMix],
    computed:{
      ...mapState('m_cart',['cart'])
    },
    data() {
      return {
        options: [{
              text: '删除', // 显示的文本内容
              style: {
                backgroundColor: '#166beb' // 按钮的背景颜色
              }
            }]
      };
    },
    methods:{
      ...mapMutations('m_cart', ['updateGoodsState','updateGoodsCount','removeGoodsItem']),
      radioChangeHandle(e){
       this.updateGoodsState(e)
      },
      numberChangeHandler(e){
        this.updateGoodsCount(e)
      },
      delGoodsItem(goods){
        this.removeGoodsItem(goods.goods_id)
      }
    }
    
  }
</script>

<style lang="scss">
  .empty-cart {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 150px;
  
    .empty-img {
      width: 90px;
      height: 90px;
    }
  
    .tip-text {
      font-size: 12px;
      color: gray;
      margin-top: 15px;
    }
  }
.cart-title {
  height: 40px;
  display: flex;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text {
    margin-left: 10px;
  }
}
.cart-container {
  padding-bottom: 50px;
}
</style>
